24 DISEASES OF THE HORSE’S FOOT 
The ramifications of these series freely anastomose with 
corresponding vessels of the opposite side. 
4. At the Superior Border of the Lateral Cartilage, the 
Artery of the Plantar Cushion. This is directed obliquely 
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Fic. 14.—Tue ARTERIES OF THE Foor. 
1, The digital ; 2, the perpendicular—(a) its ascending branch, (0) its descend- 
ing branch ; 3, circumflex artery of coronary cushion ; 4, the preplantar 
(ungual) artery—this is seen issuing from the preplantar foramen, and 
distributing numerous ascending (c) and descending (d) branches (the 
latter concur in forming the circumflex artery of the toe); 5, the 
circumflex artery of the toe; 6, at the point marked (*) the terminal 
branch of the digital—namely, the plantar ungual—is hidden behind 
the lateral cartilage ; 7, the lateral cartilage. 
downwards and backwards, under cover of the cartilage, 
and is distributed to the middle portion of the comple- 
mentary apparatus of the os pedis, as well as to the villous 
tissue and the coronet. A branch of it is turned forwards 
